Before giving practical solutions, I'd like to invite you to think
about this question. Is this a server-side or a client-side matter? In
other words, does this have to do with the server-response or the
server-request?
It's obvious that it's server-side because it has to do with the
server-response. How do you get the server to send only the value you
need?
The reply above gives you a valid solution in PHP. Another solution
would be checking the $_GET[] variable to see whether "task" is set to
"checkname" and respond according that info.
if ($_GET['task'] == 'checkname') {
// print var;
}
else {
// print page;
}
A more sophisticated way of handling this would be using the switch-
statement.
switch ($_GET['task']) {
case 'checkname': {
// print var;
} break;
case 'page': // fall-through
default: {
// print page
} break;
}
Or you simply create a new file that explicitly handles AJAX requests.
HTH,
Rick
luigi7up wrote:
> Hello everyone,
>
> Is it possible to send ajax call for somefile.php and get just value
> of one php variable generated by that server
>
> script?
>
> Example:
>
> $.post( blog.php?task=checkname,
>
> {ime:$(\"#ime\").val()},
> function(msg){
> alert(msg);
> });
>
> This ajax call will get whole page ( blog.php?task=checkname) as a
> result but I want value of just one variable.
>
> I know I could create a separate file "ajaxCheck.php" that would
> return HTML I could reuse in my javaScript
>
> but I want to solve this this way.
>
> Im probbably using wrong method POST & GET. Should I be using jSON?!
> How do I use it for this purposes
>
> Thank you
>
> Luka
